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2004 | 46 | 1 |

Tytuł artykułu

Effect of ship shadow on in-water irradiance measurements

Autorzy

Treść / Zawartość

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Calculations of the effect of the ship’s shadow on in-water irradiance measurement errors were performed with a Monte Carlo radiance transfer algorithm. The algorithm contained the Cox-Munk wave-slope probability function. A simple 3-D model of the rectangular underwater part of a ship was used. The effect was calculated as a function of sea-water absorption, surface roughness (depending on an assumed wind velocity of up to 15 m s−1) with various wind velocities and directions, length and depth of the ship, distance of instrument from the ship, and bow-to-sun angle.

Słowa kluczowe

Wydawca

-

Czasopismo

Rocznik

Tom

46

Numer

1

Opis fizyczny

p.103-112,fig.,ref.

Twórcy

autor
  • Polish Academy of Sciences, Powstancow Warszawy 55, 81-712 Sopot, Poland

Bibliografia

  • Aas E., Korsbø B., 1997, Self-shading effect by radiance meters on upward radiance observed in coastal waters, Limnol. Oceanogr., 42 (5), 968–974.
  • Cox C., Munk W.H., 1956, Slopes of the sea surface deduced from photographs of sun glitter, Bull. Scripps Inst. Oceanogr., 6 (9), 401–488.
  • Dera J., 1992, Marine physics, Elsevier, Amsterdam, 516 pp.
  • Doyle J.P., Zibordi G., 2002, Optical propagation within a three-dimensional shadowed atmosphere-ocean field: application to large deployment structures, Appl. Opt., 41 (21), 4283–4306.
  • Gordon H.R., 1985, Ship perturbation of irradiance measurements at sea. 1. Monte Carlo simulations, Appl. Opt., 24 (23), 4172–4182.
  • Gordon H.R., Ding K., 1992, Self-shading of in-water optical instruments, Limnol. Oceanogr., 37 (3), 491–500.
  • Kattawar G.W., Plass G.N., 1972, Radiative transfer in the Earth’s atmosphereocean system. II. Radiance in atmosphere and ocean, J. Phys. Oceanogr., 2, 146–156.
  • Leathers R.A., Downes T.V., 2001, Self-shading correction for upwelling seasurface radiance measurements made with buoyed instruments, Opt. Express, 8 (10), 561–570.
  • Lenoble J. (ed.), 1985, Radiative transfer in scattering and absorbing atmospheres: standard computational procedures, A. Deepak Publ., Hampton, VA, 300 pp.
  • Petzold J.T., 1972, Volume scattering functions for selected ocean waters, SIO Ref. 72–78, Scripps Inst. Oceanogr., Univ. California, San Diego, 79 pp.
  • Piskozub J., 1994, Effects of surface waves and sea-bottom on self-shading of inwater optical instruments, Proc. SPIE, 2258, 300–308.
  • Piskozub J., 1998, Influence of instrument casing shape on self-shading of in-water radiation, Proc. 14th Conf. Ocean Optics, 10–13 November 1998, Kailua-Kona (Hawaii).
  • Piskozub J., Weeks A.R., Schwarz J.N., Robinson I. S., 2000, Self-shading of upwelling irradiance for an instrument with sensors on a sidearm, Appl. Opt., 39 (12), 1872–1878.
  • Zibordi G., Doyle J.P., Hooker S. B., 1999, Offshore tower shading effects on inwater optical measurements, J. Atmos. Ocean. Technol., 16 (11), Part 2, 1767 –1779.

Typ dokumentu

Bibliografia

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